Where does John Sun work?

John Sun is Founder of Debteye and Founder at Spring Labs.

What companies did John Sun found?

John Sun founded Debteye, Spring Labs.

John Sun

Founder

Founder at Spring Labs · Founder at Debteye

Northbrook, Illinois, United States

FoundedDebteye · YC Spring Labs

Find your path to John

10,390 people in our graph share verified history with John — schools, employers, funds. One of them is your warm intro.

Raju RishiunlockedJohn: together at Spring Labs (2018–2026)

×3John: together at Spring Labs

×2John: together at Avant

×5John: together at YC S11

About

John Sun is the Founder and CEO of Spring Labs, which develops Zanko, an AI platform focused on complaint resolution and conversation intelligence for financial institutions. Its products include Zanko ComplianceAssist for screening and classifying conversations, Zanko AgentAssist for supporting customer experience teams, and Zanko CustomerAssist for self-service customer support.

Founder at Spring Labs

Intro paths

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In turn, John can intro founders to Spring Labs's investors below.

Spring Labs's investors · 9

500 GlobalSan Francisco · $150K checks · since 2018 Alpha Ascent Ventures LlcHong Kong August CapitalSan Francisco Bay Area · $1M – $15M checks BankTech VenturesSandy · since 2026 GreatPoint VenturesSan Francisco · $250K – $20M checks Haymaker VenturesClaremont · $1M – $10M checks · since 2026 Lobby CapitalPalo Alto Multicoin CapitalAustin · $1M – $50M checks RRE VenturesNew York · $5M – $15M checks

Co-founders at Spring Labs

Adam JiwanDirector

Anna FridmanFounder

Kevin LewisFounder

Founder at Debteye YC S11

Intro paths

John went through Y Combinator (Summer 2011) — any YC alum in your network can reach them through the YC community.

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In turn, John can intro founders to Debteye's investors below.

Debteye's investors · 1

Y CombinatorSan Francisco · $500K checks · since 2011

Co-founders at Debteye

Paul ZhangFounder/CTO

Kevin YuFounder

Experience

Spring LabsFounder, CEOcurrent2020 — present
Spring LabsFounder, Presidentcurrent2018 — presentChicago
AvantCo-founder, Managing Director of AvantCredit UK2017 — 2018London Area, United Kingdom
AvantCo-founder, Chief Credit Officer2012 — 2016Chicago, IL
AvantCo-founder, CTO2012 — 2014Chicago, IL
Kin InsuranceInvestor2017Greater Chicago Area
SpringCoinFounder, CEO2011 — 2012
Enova FinancialV.P. Online Retail Finance2009 — 2011
Enova FinancialV.P, Analytics2009

Skills & more

SAS1SQL8Analytics69Start-ups48Financial Modeling24E-commerce1Financial Services18Business Strategy11Product Management6Data Mining5Risk Management7Data Analysis15

+12 more

Portfolio ManagementCross-functional Team LeadershipCompetitive AnalysisPredictive AnalyticsCall CenterStatistical ModelingFinancial AnalysisEntrepreneurshipSegmentationFinanceAnalysisProcess Improvement

Languages Chinese

From John's professional profile.

Frequently asked questions

Who is John Sun?: John Sun is the Founder and CEO of Spring Labs, which develops Zanko, an AI platform focused on complaint resolution and conversation intelligence for financial institutions. Its products include Zanko ComplianceAssist for screening and classifying conversations, Zanko AgentAssist for supporting customer experience teams, and Zanko CustomerAssist for self-service customer support.
Where does John Sun work?: John Sun is Founder of Debteye and Founder at Spring Labs.
What companies did John Sun found?: John Sun founded Debteye, Spring Labs.
Where did John Sun go to school?: John Sun studied at Gies College of Business - University of Illinois Urbana-Champaign (BS, Finance); Y Combinator.

Founder mafias

Y Combinator mafia10,444

Also came through, then founded or led a company.

Sam AltmanPresidentFounded Tools for Humanity +3 Garry TanPresident & CEOFounded Y Combinator +1 Jessica LivingstonCo-founderFounded Y Combinator Alexis OhanianPartnerFounded Reddit Fred EhrsamYC Summer 2012Founded Nudge +1 Matt HuangYC Winter 2011Founded Paradigm +1

+ 10,437 more →

Gies College of Business - University of Illinois Urbana-Champaign mafia27

Also came through, then founded or led a company.

Ryan CoonBachelor of Science (B.S.)Founded Avail +1 Mark AbbottBachelorsFounded Humalytix +1 Jeff KizilbashBSFounded Omnia Exterior Solutions +1 David ReichBSFounded Fambot +1 Greg MaurerMBAFounded Arcamed Kevin L. EtzkornMBAFounded Arcamed

+ 20 more →

Avant mafia5

Also came through, then founded or led a company.

Paul ZhangCofounder, Chief Information OfficerFounded Debteye Jason OngSoftware Engineer, Analyst (Backend)Founded Chamber Sebastian VillarrealHead of Product: AutoFounded Kin Insurance Kevin LewisSVP, Head of Business DevelopmentFounded Spring Labs

Kin Insurance mafia5

Also came through, then founded or led a company.

Lucas WardExecutive Officer and DirectorFounded Oathverified +1 Eddie LouInvestorFounded CodaPet +1 JD EpsteinAngel InvestorFounded Ambassador +1 Sean HarperCo-Founder and Chief Executive OfficerFounded TransFS

Debteye mafia2

Also came through, then founded or led a company.

Paul ZhangFounder/CTOFounded Avant

Same school

Also attended Gies College of Business - University of Illinois Urbana-Champaign112

Noor NijjerHead of Investor Relations at Sierra Ventures Lee ShapiroPartner at 7wire Ventures Denise KnoppingVP of People at Longitude Capital Fernando CarranzaSenior Principal at Chingona Ventures Chris BozzettiController at Energize Ventures Jennifer MitrengaVenture Partner at Audere Capital

+ 106 more

Also attended Y Combinator2,000

Tarek MansourCo-founder & CEO of Kalshi Suhail DoshiFounder of Mixpanel; founder of Particle Subomi OluwalanaCo-founder & CEO of Convoy Arhaan A.Deeptech Fellow at Clear Ventures Collin WallaceGeneral Partner at Lobby Capital Victor SantosVictor Scout at One Way Ventures

+ 1,994 more

Shared employers

Also worked at Spring Labs7

Raju RishiGeneral Partner at RRE Ventures Raj DateManaging Partner at Fenway Summer Ventures Cris NeckarPartner at Two Bear Capital MikeVenture Advisor at Ranch Ventures Jared SchwitzkePrincipal at Miami Angels Fabrice ChengCEO, CTO & Co-Founder at Quadrata

+ 1 more

Also worked at Avant14

Robb HutchinsPartner, Portfolio Growth at Jump Capital Randy GleinFounder and Managing Partner at DFJ Carlos SimonsenManaging Partner at Upload Ventures Paul ZhangFounder/CTO at Debteye Rod EbrahimiFounder/CEO at Ready For Zero Jason OngFounder at Chamber

+ 8 more

Also worked at Kin Insurance15

Britt DannemanPrincipal at Alpha Edison Robin GodenrathFounding Partner & Managing Director at PICUS CAPITAL Emmalyn ShawCo-Founder & Managing Partner at Flourish Ventures Tom SmithManaging Partner at Savano Capital Partners Andrew SagonPartner at HSCM Ventures Caribou HonigGeneral Partner at SemperVirens Venture Capital

+ 9 more

Also worked at Enova Financial7

Dean HattonFounding Partner at Las Olas Venture Capital Mark FriedganPrincipal at Hubrix Ventures Tannaz ChapmanManaging Director at Levine Leichtman Paul ZhangFounder/CTO at Debteye Glen WangFounder at The Third Place Michael RoytmanDirector at Empirical Security

+ 1 more

Find your path to John

About

Founder at Spring Labs

Intro paths

Spring Labs's investors · 9

Co-founders at Spring Labs

Founder at DebteyeYC S11

Intro paths

Debteye's investors · 1

Co-founders at Debteye

Experience

Skills & more

Frequently asked questions

Founder mafias

Y Combinator mafia10,444

Gies College of Business - University of Illinois Urbana-Champaign mafia27

Avant mafia5

Kin Insurance mafia5

Debteye mafia2

Same school

Also attended Gies College of Business - University of Illinois Urbana-Champaign112

Also attended Y Combinator2,000

Shared employers

Also worked at Spring Labs7

Also worked at Avant14

Also worked at Kin Insurance15

Also worked at Enova Financial7

Founder at Debteye YC S11